A box is made in the form of a cube. If a second cubical ox has inside dimensions three times those of the first box, how many times as much does the second box contain?

A Can do a job in 24 days, B in 9 days and C in 12 days. B and C together start the work but leave after 3 day...

In a group of 15, 7 can speak Spanish , 8 can speak French and 3 can speak neither . What fracton of the group...

A,B and C enter into partnership by making investments in the ratio 3: 5: 7. After a year, C invests another T...

Karim has 40% more stamps than Rahim, if he gives 45 of his stamps to Rahim, then Rahim will have 10% more sta...

P and Q start a business with initial investment in the ratio of 13: 8 Their corresponding annual profits are...

Compound interest on a certain sum for 2 years at 10% per annum is Tk. 420.What would be the simple interest a...